{amsmath} is a package provided by AMS that enhances LaTeX's mathematical typesetting capabilities in various ways.

learn more… | top users | synonyms

5
votes
0answers
51 views

Is using DeclareMathOperator for functions the right thing to do?

I'm wondering if I use the \DeclareMathOperator for the wrong things. For example I have a cost function cost(x,y) which takes two arguments. I would declare it as \DeclareMathOperator*{\cost}{cost} ...
5
votes
2answers
45 views

How to make \dots from amsmath and ellipsis work together

The amsmath package changes the \dots command to have different vertical alignment depending on context (I'm not sure if it does anything else to it). The ellipsis package changes the \dots command to ...
3
votes
1answer
74 views

What does \normallineskiplimit do?

In this excellent answer, one of the tools used is to redefine \normallineskiplimit. I cannot find this macro in any reference, although it does show up in this answer. Where is this length originally ...
3
votes
1answer
33 views

How to align terms in alignat: too much spaces and too few

Please, help me this code has too much spaces and too few, how can I fix it? \begin{subequations} \begin{alignat}{2} \forall i \in[m] && \sum \limits_{e \in N_{out(s_{i})}} y(i,e) - \sum ...
4
votes
2answers
72 views

What's the difference between split and aligned?

I don't understand the difference between the split and aligned environments introduced by amsmath, so I'm posting this question as a place to collect what subtle details there may be. One thing ...
4
votes
2answers
464 views

Big forward slash in math

I have a equation in from of a=VERYBIGSTUFF / VERYBIGSTUFF And I would like to have a "verybig" forward slash in the middle of them. I dont like \frac mode, as I would like to have them ...
0
votes
0answers
16 views

amsmath: error using subequation environment “Missing \endgroup inserted \end{align}” [duplicate]

Here's my minimal problem-causing example: \documentclass{standalone} \usepackage{fixltx2e} \usepackage{amsmath} \begin{document} \begin{subequations} \begin{align} a &= ...
3
votes
3answers
136 views

Why does `gather` behave this way, and what can we do about it?

Here's a simplified version of the code I'm having trouble with. \documentclass{article} \usepackage{amsmath} \begin{document} \begin{center}\underline{First set of identities.}\end{center} \[x+x = ...
0
votes
0answers
46 views

! Undefined control sequence \backsim [duplicate]

My latex file does not accept the command \backsim. This is what I wrote in the file: $ \backsim 2.5 \mu$ What is wrong?
18
votes
4answers
831 views

How to typeset an i with asterisk above?

I tried it with a modification of \overset as suggested by Werner in this question: Creating non-math mode substitutes for \overset and \underset not dependent on the amsmath package With the new ...
0
votes
0answers
42 views

Locally change font style from sfmath to amsmath

I am using the package sfmath. It is rather hard to explain why, but the reason should not matter for my question. If it is required I can try to explain why I need sfmath. Nevertheless, the main ...
1
vote
0answers
51 views

amsmath package clash

Just this afternoon I seem to have a package clash that resulted in all my equation numbers disappearing. I seem to have resolved the issue by putting \usepackage{amsmath} at the top of the preamble ...
1
vote
1answer
51 views

What is the correct way to properly align a split equation with continued parts prefixed with a binary operator?

Consider the following result with 2 methods. Don't hesitate to propose better ones if any. The question is: What is the correct way to properly align a split equation in which binary operator ...
4
votes
2answers
37 views

Left-align a split equation

I am trying to left-justify a split equation. I would like to have the first line left-justified, and have a hanging indent on the second line. I used flalign successfully for other equations that ...
4
votes
2answers
83 views

Setting vertical margins on top and below align* environment

I'm using the amsmath align* environment to format multi line formulas. Unfortunately, the environment adds a lot of margin before and below the formula. I found only one solution to get rid of this ...
2
votes
3answers
94 views

Aligning a set of equations with one equation number

The following set of equations cannot be aligned from left to right. Since, I need to index them just with one number, I had to use split equations: \begin{equation} \begin{split} X={}^ 2 \bar{x} + ...
0
votes
1answer
19 views

LaTex align and split

I am trying to split an equation inside the align environment, but I get an error message each time I try to add the \begin{split} ... \end{split} lines in the code below: \begin{align} % requires ...
5
votes
1answer
72 views

LuaLaTeX - Linux libertine (math and pgfplots)

I have some problems using Linux libertine font within equations or pgfplots and tried this answer but it doesn't work. \documentclass{article} \usepackage{fontspec} \usepackage{pgfplots} ...
2
votes
2answers
62 views

Problem formula with \usepackage{marvosym} \usepackage{tikzsymbols} \usepackage{MnSymbol,wasysym}

I have the following code: \documentclass[12pt,a4paper]{article} \newcounter{conto} \setcounter{conto}{\time} \usepackage{lmodern} \usepackage[T1]{fontenc} \usepackage[utf8]{inputenc} ...
2
votes
1answer
32 views

Wrong alignment of split equation in align environment

This is an example code of my problem: \documentclass[a4paper]{article} \usepackage{amsmath} \begin{document} \begin{align*} x_n&=\begin{split} &1+\frac{1}{2}+\left( ...
4
votes
1answer
48 views

! Missing } inserted. all the time!

\begin{multline} (3 + 2\omega )\left( \frac{{B\prime (r)}}{{2A(r)B(r)}}\varphi \prime + \frac{1}{{A(r)}}\varphi \prime \prime - \frac{{A\prime (r)}}{{2{A^2}(r)}}\varphi \prime + ...
2
votes
1answer
46 views

changing the general theme of math fonts

I'm using latex templates which is producing a particular kind of math font, shown below. How can I change it to produce something like following? I'm particularly interested in changing the math ...
3
votes
2answers
54 views

Is there a better (more condensed) way of formatting a subscript \perp (or \bot)?

I'm writing a lot of these types of formulas: \documentclass{article} \usepackage{amsmath} \begin{document} \begin{equation} \mathrm{e}^{-\mathrm{i} \boldsymbol k_\bot \cdot \boldsymbol r_\bot} ...
3
votes
1answer
33 views

mathscript glyphs in nomenclature list

I am trying to use a glyph defined by \mathscr{F} in a list of nomenclature. The explanation shows in the list fine, but the glyph doesn't. Anyone come across this before or have a ...
4
votes
4answers
94 views

! Missing $ inserted (normal text in Bmatrix)

\begin{Bmatrix}\text{Of what nacion.}\\text{Of what countrée.}\\text{Of what auncetours.}\\text{Of what parentes.}\end{Bmatrix} Apparently, I'm supposed to insert $ but I don't know where.
2
votes
2answers
127 views

Equation setting

I have a problem with this equation compilation at the end{split} please fix it. \begin{equation} \begin{split} \frac{\partial }{\partial X_{j}}(\rho \bar u_i \bar u_j) = -\frac{\partial \bar ...
2
votes
3answers
133 views

\middle too big

I'm trying to typeset an equation that contains a "|": \begin{align*} \lambda_{l} = \lim_{q \to 0^{+}}P\left(X_{2} \leq F_{2}^{(-1)}(q) \middle| X_{1} \leq F_{1}^{(-1)}(q) \right) \end{align*} ...
2
votes
1answer
68 views

Changing font and using amsmath [duplicate]

I've read several threads about this, but none solves my problem. When I try to change font, it won't compile. Is there an other way to change font, that will still allow me to write stuff like: $\mu$ ...
1
vote
2answers
53 views

big equation in flalign

I am trying to use a big equation inside flalign. The biggest chunk is the third line and I couldn't figure out how to something akin to \shoveright in this third equation, as I want is ending on the ...
2
votes
0answers
29 views

Multiple tags in one line of align environment [duplicate]

Is there a possibility to tag each equation of a single line in an align environment of the amsmath package? Like so (this code leads to the error Package amsmath Error: Multiple \tag.): ...
3
votes
2answers
39 views

Trouble defining new environment with embedded gather

I looked at the solution to How do I embed a gather environment within a custom environment? But things are still not working for me: MWE: \documentclass[border=6pt]{standalone} ...
5
votes
4answers
78 views

Increase the spacing of rows in equations

I have a formula and I want to increase the space between the rows to make the reading easier. \begin{equation} \begin{flalign*} \epsilon \bm{\Xi}_n & = M_\epsilon(\bm{x}_{\epsilon,n-1} ) - ...
1
vote
1answer
72 views

Commutative diagram with blank spacing and crossing-layer arrows

Related to a previous post, now pardon me to go to a specific example, here is my output and my Minimum Working Environment ...
1
vote
1answer
46 views

Blank or no arrow in a commutative diagram

I learned from this nice post that a commutative diagram with the CD environment can have arrows pointing and their commands: right @>>> left @<<< down @VVV up @AAA ...
2
votes
1answer
54 views

How to centre an equation

When I build and view my equation it is always aligned right \begin{equation} $$\textit{N}(\textit{t}) = $\frac{P_o}{\lambda+\rho\varepsilon/\Lambda}$[1-e$^{-t(\lambda+\rho\varepsilon/\Lambda}$)]$$ ...
3
votes
1answer
41 views

Multlined in align enviromnent: alignment of = and equation numbering

I'm using the multlined environment inside an align environment and want have the = aligned at the top and the equation numbering at the bottom. Is this possible? Here my MWE: ...
8
votes
2answers
246 views

Boxed equation with number

My minimum working example: \documentclass{report} \usepackage{amsmath} \begin{document} \begin{center} \boxed{K_{k+1}=P_ka_{k+1}^T(a_{k+1}P_ka_{k+1}^T+I_N)^{-1}} \end{center} \end{document} ...
2
votes
2answers
105 views

How to add spacing before and after a cdot?

I'm having the following code: \documentclass[11pt]{article} \usepackage{amssymb,amsthm,amsmath} \newcommand{\norm}[1]{\lVert #1 \rVert_2} \begin{document} \begin{displaymath} \norm{\cdot}=... ...
4
votes
3answers
233 views

Why don't the curly braces and the mid bar become bigger?

I'm having the following code: \documentclass[11pt]{article} \usepackage{amssymb,amsthm,amsmath} \newcommand{\abs}[1]{\lvert #1 \rvert} \newcommand{\N}{\mathbb N} \newcommand{\K}{\mathbb K} ...
2
votes
3answers
83 views

I think fractional expressions in my text is small and not normal?

\documentclass[12pt]{book} \usepackage{amsmath,amsthm,amssymb,amsfonts} \usepackage{xepersian} \begin{document} \begin{persian} \lr{$-\frac{1}{3}$} \hspace{1cm} $-\frac{1}{3}$ ...
2
votes
0answers
33 views

First line in beamer block ignores abovedisplayskip?

If I use an an align environment within the a beamer block, the \abovedisplayskip is ignored. How can I force that setting? My MWE is \documentclass[t]{beamer} \usecolortheme{rose} ...
2
votes
1answer
69 views

Equation + explanation below

I have to write an explanation to my equation, and I would like to do it, below the equation. But, I do not know how to do that. It should look like this: My preamble look like this: ...
6
votes
6answers
520 views

please help me fit my equation into my margins!

I have this equation. It is quite wide, and I've had to split things over two lines. However, the part to the left of the = is quite long, and it's causing me some issues. I've posted a MWE here. ...
3
votes
2answers
37 views

Mini-alignment of a single equation?

So I have this problem, whereupon I would like to do some 'mini-alignment'. I have googled for ways to do this, but I get results based on aligning whole equations. Here is my current output: What ...
3
votes
3answers
215 views

Problem in writing the system of equation in LaTeX

Here's the code I have and here's the system of equation it creates which is not working as desired. Do you know how I can fix it? \item For what value of $b$ would the following system fo equations ...
1
vote
1answer
40 views

How to show a wide bar over a letter?

I want to have a wide bar over XY but it just shows a small bar. Any idea? \item In the standard $(x,y)$ coordinate plane, point $X$ has coordinates $(-4,0)$ and point $Y$ has coordinates $(0,-8)$. ...
1
vote
1answer
65 views

Make font size of numerator the same as denominator?

I have a simple question, I would like to make the font-size of the numerator the same as that of my denominator. For example, something like this: e^{-j \frac{2 \pi n k}{K_F}} gives me an ugly ...
5
votes
1answer
38 views

AMSMath \implies and a superscript symbol

I would like to have a superscript symbol attached to the implies-arrow, i.e., something like that \[ \implies^f \] However, this does not work. A similar question was asked here: question But ...
3
votes
1answer
52 views

How can I adjust the position of multiple \vdots after multiple \begin{cases}?

Here's a MWE: \documentclass[12pt]{article} \usepackage{amsfonts, amsthm, amsmath, amssymb} %===== \begin{document} \begin{multline*} \\ % \text{Text} \begin{cases} AAA\\ AAA \end{cases}\\ % ...
3
votes
1answer
53 views

\bigl( \bigr) in inline mode and in align environment

The following, I believe, is a strange behavior of \bigl(<math content>\bigr) in inline math mode and in the align environment. Consider the following MWE: ...